ERM.. like i've never seen someone do that in my 1 year of ECC... honestly i would find a laugh out of it if it was me (after I cooled down ofc xD) lol have fun with Mayor.
locks definately work in the mining world, new builders do it all the time, the only thing is when it resets its gone, i was answering the issue of the "town" being griefed
If you need any cobble or some dirt when you decide you make your town in the real world Just give me a shout, and some signs and what not, i know it doesnt give you all the time you spent back but at least it will help towards the next town.